Controlling Microstructure-Transport Interplay in Highly Phase-Separated Perfluorosulfonated Aromatic Multiblock Ionomers via Molecular Architecture Design.

@article{Nguyen2017ControllingMI,
  title={Controlling Microstructure-Transport Interplay in Highly Phase-Separated Perfluorosulfonated Aromatic Multiblock Ionomers via Molecular Architecture Design.},
  author={H. T. Nguyen and Luca Assumma and Patrick Judeinstein and R{\'e}gis Mercier and Lionel Porcar and Jacques Jestin and Cristina Iojoiu and Sandrine Lyonnard},
  journal={ACS applied materials & interfaces},
  year={2017},
  volume={9 2},
  pages={
          1671-1683
        }
}
Proton-conducting multiblock polysulfones bearing perfluorosulfonic acid side chains were designed to encode nanoscale phase-separation, well-defined hydrophilic/hydrophobic interfaces, and optimized transport properties. Herein, we show that the superacid side chains yield highly ordered morphologies that can be tailored by best compromising ion-exchange capacity and block lengths. The obtained microstructures were extensively characterized by small-angle neutron scattering (SANS) over an… CONTINUE READING
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